Structure, function and antigenicity of the SARS-CoV-2 spike glycoprotein part 16

030320_coronavirus_image_from_cdc

 

ACE2 could mediate  SARS-CoV-2 S-mediated entry into cells, establishing it as a functional receptor for this newly emerged coronavirus. The SARS-CoV-2 SB engages human ACE2 (hACE2) with comparable affinity to SARS-CoV SB from viral isolates associated with the 2002-2003 epidemic (i.e., binding with high affinity to hACE2). Tight binding to hACE2  could partially explain the efficient transmission of SARS-CoV-2 in humans, as was the case for SARS-CoV.

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